The Qualifier None is identified by letter "Z" and occupies the 6th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to CD151Z
Planar Nucl Med Imag of Up GI Tract using Technetium 99m
Planar Nucl Med Imag of Up GI Tract using Oth Radionuclide
Planar Nucl Med Imag of Up GI Tract using Indium 111